Simple Lipids

Q.

Name the sodium compound which is used for softening hard water.

Q. The bond formed between glycerol and fatty acid in a simple lipid is

1. glycosidic bond
2. peptide bond
3. ester bond
4. hydrogen bond

Q.

A non-essential fatty acid is

1. Linoleic acids

2. Linolenic acids

3. Stearic acids

4. Arachidonic acid

Q. Glycerol is also known as

1. trihydroxy propane
2. dihydroxy propane
3. tetrahydroxy propane
4. monohydroxy propane

Q. Which of the following is component of simple lipid?

1. Glycerol
2. Both a and c
3. Glycol
4. Fatty acid

Q.

_______ are esters of fatty acids with alcohol.

1. fats
2. complex lipids
3. simple lipids
4. compound lipids

Q.

(i) Select an appropriate chemical bond among ester bond, glycosidic bond, peptide bond hydrogen bond and write against each of the following.

(a) Polysaccharide

(ii) (b) Protein

(iii) (c) Fat

(iv) (d) Water

Q. ________ is a fatty acid not synthesised in the human body.

1. none of the above.
2. Cholesterol
3. linoleic acid
4. Glycerol

Q. Which one is wrongly matched ?

1. Unicellular organism – Chlorella
2. Biflagellate zoospores – Brown algae
3. Gemma cups – Marchantia
4. Uniflagellate gametes – Polysiphonia

Q.

In the Zeolite softening process, the Calcium and Magnesium present in water are precipitated as:

1. Insoluble Sulfates

2. Insoluble Zeolites

3. Insoluble Chlorides

4. Insoluble Carbonates

Q. Glycerol is also known as

1. trihydroxy propane
2. dihydroxy propane
3. tetrahydroxy propane
4. monohydroxy propane

Q.

Formation of both peptide bonds and glycosidic bonds
(A) involve addition of a phosphate group to the precursor molecules.
(B) would not require a catalyst in biological systems.
(C) involve removal of a water molecule.
(D) involve addition of carboxyl group.

Q. Saturated fatty acids have

1. only one C-C single bond
2. only one C=C double bone
3. only C=C double bone
4. only C-C single bond

Q. Which of the following statements is/are true about waxes?

1. They are esters of lomg chain fatty acids and alcohols
2. They are insoluble in water
3. Cerumen found in ears contain waxes
4. All of these

Q. Saturated fatty acids are mostly

1. solids at room temperature
2. liquids at room temperature
3. with lower melting points
4. with variable melting points

Q. Which of the following pairs have high melting points?

1. Oleic acid and linoleic acid
2. Palmitic acid and stearic acid
3. Palmitic acid and oleic acid
4. Linoleic acid and Linolenic acid

Q.

Name the nitrogen bases that pair with (/) Adenine (//) Guanine (///) Thymine.

Q. The four basic building blocks of life are

1. amino acids, fatty acids, sugars and nucleotides
2. amino acids, lipids, sugars and nucleotides
3. amino acids, fatty acids, lactose and nucleotides
4. proteins, fatty acids, sugars and nucleotides

Q.

Match the following Biomolecules with their simplest units and choose the correct sequence option.

Column I Column II

i). Proteins a. Monosaccharides

ii). Carbohydrates b. Triglycerides

iii). Lipids c. Nucleotides

iv). Nucleic acids d. Amino acids

1. i).$\Rightarrow$ a., ii).$\Rightarrow$ d., iii).$\Rightarrow$ c., iv). $\Rightarrow$ b.

2. i).$\Rightarrow$ d., ii).$\Rightarrow$ a., iii).$\Rightarrow$ b., iv). $\Rightarrow$ c.

3. i).$\Rightarrow$ c., ii).$\Rightarrow$ b., iii).$\Rightarrow$ d., iv). $\Rightarrow$ a.

4. i).$\Rightarrow$ b., ii).$\Rightarrow$ c., iii).$\Rightarrow$ a., iv). $\Rightarrow$ d.

Q. What are fats and oils mainly made of?

1. Triglycerides
2. Monoglycerides
3. Diglycerides
4. Polyglycerides

Q. Non-essential fatty acid is

1. Linoleic acid
2. Linolenic acid
3. Stearic acid
4. Arachidonic acid

Q. Which of these is/are required in the synthesis of prostaglandins?

1. Linoleic acid
2. Arachidonic acid
3. Linolenic acid
4. Oleic acid

Q. are esters of fatty acids with alcohol.

1. Fats
2. Complex lipids
3. Simple lipids
4. Compound lipids

Q. Which of the following is/are included under PUFA?

1. Linoleic acid
2. Linolenic acid
3. All of these
4. Arachidonic acid

Q. Which of the following is/are component(s) of simple lipids?

1. Glycerol
2. Glycol
3. Fatty acid
4. Both (a) and (c)

Q. Which of the following formula represents esters?

1. R-OH
2. R-COOH
3. R-CO-O-R
4. $R-{\mathrm{CH}}_2\mathrm{OH}$

Q. A cup-shaped chloroplast is seen in

1. Ulothrix
2. Chlamydomonas
3. Spirogyra
4. Zygnema

Q. Which among these is/are very good for health?

1. MUFA
2. PUFA
3. All of these
4. Saturated fatty acids

Q. An example of non reducing sugar is:

1. cane sugar
2. fructose
3. lactose
4. glucose

Q. In the Chlorophyceae, the reserve food is protein surrounded by starch and forms a compact body called as

1. paramylum
2. pyrenoid
3. volutin
4. floridean starch